Windows 10: New CPU/Mobo, Windows got upgraded to Pro, Can't downgrade to reactivate Home

So yeah I upgraded my CPU and Mobo and now I'm realizing that somehow in that process my Windows installation got upgraded to Pro and it's saying it's unactivated. I own a license for Home.

I tried downgrading via the regedit + reinstall trick, but it's asking me for a product key. It seems that I bought some digital version from MS that is linked to my account rather than issuing me a product key.

Any ideas besides nuking it all an reinstalling Home?

submitted by /u/king_m1k3
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:)

 

Changing my MOBO and CPU a

I'm doing PC upgrades and changes entirely for my new mini-itx build.

I'm not sure about how the process would work, but what are the appropriate steps I need to undertake before making my changes?

• My personal data and files are backed up to my Onedrive, and have nothing to lose in terms of data.
• I have an additional copy of Windows 10 (but would prefer not to use it in-case I do another PC build).
• My MOBO and CPU upgrades are polar opposites of my current hardware:
  • OLD HARDWARE
    • Intel i5 6500
    • AsRock Killer MOBO
  • New Hardware
    
  • • AMD Ryzen 7 2700x
    • Asus Strix X-470

This is my first time doing a particular change so guiding steps would be greatly appreciated! Things like how to wipe my hard-drive and reinstall Windows, etc.

 

Reactivation Windows 10 Pro issue

I have changed my hardware recently and found that I can't reactivate Windows 10 Pro. In Reactivate Windows section, I can't find my current device in the list, only my old motherboards appeared ( MSI and Gigabyte ). My old hardware are I7-4790 + MSI H81M
Mobo + 8GB DDR3 Ram and I upgraded to I5-9400F + My new Asrock MOBO B350 or 450 something (Can't remember) + 16 GB DDR4 Ram. There is no my current MOBO in the reactivate section, only the old one appeared (MSI H81M Mobo). Pls someone help me.

Also note that I have signed in with my microsoft account that links with Windows 10 pro licence but it only shows the old mobo in the reactivate list.

 

Changing my MOBO and CPU a

You will have to buy windows license if you change the motherboard, unless you made the computer originally in the first place, or bought a license key.